Opacin
[化] 碘酞
🗣️ 情景例句
Please. That sounds good.
听起来不错，请给我弄一杯。
The bird that can sing and won't sing must be made to sing.
生来能唱的鸟，不愿唱也得叫它唱。
An advertisement which begins with the magic word FREE can rarely go wrong.
凡是用“免费”这个神奇的词开头的广告很少会失败的。